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Support for MEOL layer?

Tool: OpenDB

Subcategory: Add MEOL layer support

Conversation

GuzTech

Hello everyone!

I'm in the process of bringing up a new platform which is going well. I am running into a problem with a local interconnect layer which is specified as a MASTERSLICE with LEF58_TYPE = MEOL, so it is not specified as a ROUTING layer as is the case with the sky130 PDK. OpenDB complains that there is a parse mismatch for this lil layer.

If I add this lil layer as a routing layer to make_tracks.tcl then OpenDB complains that it is not a routing layer. If I don't add lil as a routing layer, then TritonRoute gives an error that it cannot find layer lil for viarule that connects lil to the first metal layer.

Did anyone else run into a similar problem? If so, how did you solve it?

maliberty

Please include the odb message. You should not add tracks if it is not a routing layer.

maliberty

We need to add support for MEOL. You can workaround it my making it a masterslice layer temporarily.